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This study explores palm fruit stalk fibres (PFSF) and palm kernel shell ash (PKSA) as sustainable materials for construction. Both are palm oil by-products often discarded or burned, causing pollution. The research examined their mechanical, chemical, physical, and microstructural characteristics to assess their suitability in building materials. PKSA showed high fineness (87%), low specific gravity (1.212), and pozzolanic–filler properties, mainly composed of quartz (85%), with minor kaolinite and calcite. PFSF exhibited a high aspect ratio (4862:1), tensile strength (6.93 N/mm²), and water absorption (206.21%), suggesting improved ductility and crack resistance, though moisture treatment is needed. Microstructural analysis confirmed good bonding potential between fibres and cement matrix. The findings demonstrate that PFSF and PKSA offer eco-friendly, cost-effective options for lightweight, thermally efficient, and sustainable construction materials.
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Mozu-Simpson et al. (2026) studied this question.
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